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// RUN — FITS
Can the AMD Radeon Pro W7900 48GB run Phi-4-Multimodal?
Yes — here's how fast and up to what context, with real measured numbers.
Phi-4-Multimodal on the AMD Radeon Pro W7900 48GB
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | yes | 240k | 48.6-59.4 t/s | ~2.3-2.8 (slow) |
| Q8 | yes | 283k | 97.2-118.8 t/s | ~4.5-5.5 (slow) |
| Q4 | yes | 302k | 173.6-212.1 t/s | ~8-9.8 (slow) |
Estimate (memory-bound). Beyond "max context" the KV cache spills to system RAM offload (depends on your system RAM) and speed drops to the "beyond" figure.
FAQ
Can the AMD Radeon Pro W7900 48GB run Phi-4-Multimodal?▶
Yes. At Q4 it generates ~173.6-212.1 tok/s and fits up to 302k context; beyond that it spills to system RAM offload (depends on your system RAM) and slows to ~8-9.8 tok/s.
How much context fits?▶
At Q4, up to about 302k tokens stay in fast memory; longer context spills to system RAM offload (depends on your system RAM) and throughput collapses.